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Surface Stabilization Measures. The planting of a cover crop will be the principal means of surface <br />• stabilization during initial establishment of the perennial vegetative cover. Straw mulch may be used <br />in lieu of a cover crop. Whenever mulch is used, the application rate will be approximately one ton <br />per acre. The straw will be anchored by mechanical crimping or tacked with one of the various <br />tackifying compounds available. Mechanical crimping operations will be done on the contour <br />whenever possible. Only clean grain straw that is free of noxious or problem weeds will be used. <br />Hydromulching has been discussed previously. Fall seeding of the permanent mix allows for spring <br />germination and subsequent quick stabilization. <br />Interseeding of Previously Seeded Areas. All seeded areas will be periodically monitored for success <br />of perennial vegetation establishment. In areas where it has been determined through observation <br />and monitoring that limited revegetation success exists, interseeding, in accordance with Rule <br />4.15.7(5)(8), will be conducted. The seed mix used to enhance the success of the established <br />vegetation will consist of native species, as follows: <br />Interseeding Seed Mix <br />The location of the interseeded areas will be identified in the appropriate Annual Reclamation <br />• Report(s). <br />MR -31 26 Revised 9/09 <br />Drill Rate* <br />• <br />Species Name <br />P.L.S. <br />Recommended <br />Species Common Name <br />lbs /Acre <br />Seeds /Ft2 <br />Variety <br />1. <br />Elymus lanceolatus dasystachy non Thickspike wheatgrass <br />1.0 <br />3.5 <br />Critana <br />2. <br />Pascg9jnma smithu Western wheatgrass <br />2.0 <br />3.2 <br />Arriba <br />3. <br />Pseudoroegueria spicata icata Bluebunch wheatgrass <br />2.0 <br />6.8 <br />Secar <br />4. <br />Emus trachhycaulus trachhycaulus Slender wheatgrass <br />1.0 <br />3.6 <br />San Louis <br />5. <br />Ceratochloa carinata Mountain brome <br />2.0 <br />3.2 <br />Bromar <br />6. <br />bus cinereus Basin wildrye <br />2.0 <br />7.6 <br />Trailhead <br />7. <br />Festuca ovina Sheep fescue <br />0.25 <br />3.4 <br />Covar <br />8. <br />Poa ampla Big bluegrass <br />0.25 <br />5.0 <br />Sherman <br />9. <br />Balsamorhiza sagittata Arrowleaf balsamroot <br />0.50 <br />0.6 <br />Native <br />10. <br />Seriphidium vaseyan um Mtn. big sagebrush <br />0.5 <br />20.0 <br />Native <br />11. <br />Symphoricarpos rotundifolius Mountain snowberry <br />2.0 <br />3.4 <br />Native <br />Total <br />13.5 <br />60.3 <br />*Broadcast rate is double the drill seeding rate <br />The location of the interseeded areas will be identified in the appropriate Annual Reclamation <br />• Report(s). <br />MR -31 26 Revised 9/09 <br />